<template>
    <div>
           <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="150px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
      </el-pagination>
    </el-card>

    </div>
</template>
<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    getGoodsList() {
           this.$my_http({
                  method:"get",
                  url:"goods",
                  params: this.queryInfo
                }).then(res => {    
                    if(res.data.meta.status != 200){
                      this.$message.error(res.data.meta.msg);
                    }else{  
                     this.$message({ type: 'success', message: '获取商品列表成功！'});
                    this.goodslist = res.data.data.goods
                    this.total = res.data.data.total      
                 }
                }) 
    },

    //每页数
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    //当前页
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
  
    //删除商品
     removeById(id) {
       //确认删除则返回字符串 confirm;点击取消则报错（可使用catch 捕获错误）
          this.$confirm('正在删除商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }).then(() => {

                    //确定
                      this.$my_http({
                        method:"delete",
                        url:`goods/${id}`
                        }).then(res => {
                        
                            if(res.data.meta.status != 200){
                            this.$message.error(res.data.meta.msg);
                            }else{  
                        
                          this.$message.success('删除成功！')
                              this.getGoodsList()
                        }
                        }) 
                        

                }).catch(() => {
                  this.$message.info('已经取消删除！')
                //this.$message({ type: 'info',message: '已取消删除' });          
              });
    },
    //跳转到add添加页面
    goAddpage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>
<style lang="less" scoped>

</style>